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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2007 The Android Open Source Project | 3 * Copyright 2007 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkPicture_DEFINED | 10 #ifndef SkPicture_DEFINED |
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323 // Create a new SkPicture from an existing SkPicturePlayback. Ref count of | 323 // Create a new SkPicture from an existing SkPicturePlayback. Ref count of |
324 // playback is unchanged. | 324 // playback is unchanged. |
325 SkPicture(SkPicturePlayback*, int width, int height); | 325 SkPicture(SkPicturePlayback*, int width, int height); |
326 | 326 |
327 // For testing. Derived classes may instantiate an alternate | 327 // For testing. Derived classes may instantiate an alternate |
328 // SkBBoxHierarchy implementation | 328 // SkBBoxHierarchy implementation |
329 virtual SkBBoxHierarchy* createBBoxHierarchy() const; | 329 virtual SkBBoxHierarchy* createBBoxHierarchy() const; |
330 private: | 330 private: |
331 // An OperationList encapsulates a set of operation offsets into the picture
byte | 331 // An OperationList encapsulates a set of operation offsets into the picture
byte |
332 // stream along with the CTMs needed for those operation. | 332 // stream along with the CTMs needed for those operation. |
333 class OperationList : public SkNoncopyable { | 333 class OperationList : ::SkNoncopyable { |
334 public: | 334 public: |
335 virtual ~OperationList() {} | 335 virtual ~OperationList() {} |
336 | 336 |
337 // If valid returns false then there is no optimization data | 337 // If valid returns false then there is no optimization data |
338 // present. All the draw operations need to be issued. | 338 // present. All the draw operations need to be issued. |
339 virtual bool valid() const { return false; } | 339 virtual bool valid() const { return false; } |
340 | 340 |
341 // The following three entry points should only be accessed if | 341 // The following three entry points should only be accessed if |
342 // 'valid' returns true. | 342 // 'valid' returns true. |
343 virtual int numOps() const { SkASSERT(false); return 0; }; | 343 virtual int numOps() const { SkASSERT(false); return 0; }; |
344 // The offset in the picture of the operation to execute. | 344 // The offset in the picture of the operation to execute. |
345 virtual uint32_t offset(int index) const { SkASSERT(false); return 0; }; | 345 virtual uint32_t offset(int index) const { SkASSERT(false); return 0; }; |
346 // The CTM that must be installed for the operation to behave correctly | 346 // The CTM that must be installed for the operation to behave correctly |
347 virtual const SkMatrix& matrix(int index) const { SkASSERT(false); retur
n SkMatrix::I(); } | 347 virtual const SkMatrix& matrix(int index) const { SkASSERT(false); retur
n SkMatrix::I(); } |
348 | 348 |
349 static const OperationList& InvalidList(); | 349 static const OperationList& InvalidList(); |
350 | |
351 private: | |
352 typedef SkNoncopyable INHERITED; | |
353 }; | 350 }; |
354 | 351 |
355 /** PRIVATE / EXPERIMENTAL -- do not call | 352 /** PRIVATE / EXPERIMENTAL -- do not call |
356 Return the operations required to render the content inside 'queryRect'. | 353 Return the operations required to render the content inside 'queryRect'. |
357 */ | 354 */ |
358 const OperationList& EXPERIMENTAL_getActiveOps(const SkIRect& queryRect); | 355 const OperationList& EXPERIMENTAL_getActiveOps(const SkIRect& queryRect); |
359 | 356 |
360 /** PRIVATE / EXPERIMENTAL -- do not call | 357 /** PRIVATE / EXPERIMENTAL -- do not call |
361 Return the ID of the operation currently being executed when playing | 358 Return the ID of the operation currently being executed when playing |
362 back. 0 indicates no call is active. | 359 back. 0 indicates no call is active. |
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387 */ | 384 */ |
388 class SK_API SkDrawPictureCallback { | 385 class SK_API SkDrawPictureCallback { |
389 public: | 386 public: |
390 SkDrawPictureCallback() {} | 387 SkDrawPictureCallback() {} |
391 virtual ~SkDrawPictureCallback() {} | 388 virtual ~SkDrawPictureCallback() {} |
392 | 389 |
393 virtual bool abortDrawing() = 0; | 390 virtual bool abortDrawing() = 0; |
394 }; | 391 }; |
395 | 392 |
396 #endif | 393 #endif |
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